Dismiss
InnovationQ will be updated on Sunday, Oct. 22, from 10am ET - noon. You may experience brief service interruptions during that time.
Browse Prior Art Database

A Model for Common Operational Statistics (RFC1857)

IP.com Disclosure Number: IPCOM000004113D
Original Publication Date: 1995-Oct-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 22 page(s) / 51K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Lambert: AUTHOR

Abstract

This memo describes a model for operational statistics in the Internet. It gives recommendations for metrics, measurements, polling periods and presentation formats and defines a format for the exchange of operational statistics.

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group M. Lambert

Request For Comments: 1857 Pittsburgh Supercomputing Center

Obsoletes: 1404 October 1995

Category: Informational

A Model for Common Operational Statistics

Status of this Memo

This memo provides information for the Internet community. This memo

does not specify an Internet standard of any kind. Distribution of

this memo is unlimited.

Abstract

This memo describes a model for operational statistics in the

Internet. It gives recommendations for metrics, measurements,

polling periods and presentation formats and defines a format for the

exchange of operational statistics.

Acknowledgements

The author would like to thank the members of the Operational

Statistics Working Group of the IETF whose efforts made this memo

possible, particularly Bernhard Stockman, author of RFC 1404, and

Nevil Brownlee, who produced the revised BNF description of the

model. Wherever possible, their text has been changed as little as

feasible.

Table of Contents

1. Introduction ............................................. 2

2. The Model ................................................ 5

2.1 Metrics and Polling Periods .............................. 5

2.2 Format for Storing Collected Data ........................ 6

2.3 Reports .................................................. 6

2.4 Security Issues .......................................... 6

3. Categorization of Metrics ................................ 7

3.1 Overview ................................................. 7

3.2 Categorization of Metrics Based on Measurement Areas ..... 7

3.2.1 Utilization Metrics ...................................... 7

3.2.2 Performance Metrics ...................................... 7

3.2.3 Availability Metrics ..................................... 8

3.2.4 Stability Metrics ........................................ 8

3.3 Categorization Based on Availability of Metrics .......... 8

3.3.1 Per Interface Variables Already in Standard MIB .......... 8

3.3.2 Per Interface Variables in Private Enterprise MIB ........ 9

3.3.3 Per interface Variables Needing High Resolution Polling .. 9

3.3.4 Per Interface Variables not in any MIB ................... 9

3.3.5 Per Node Variables ....................................... 9

3.3.6 Metrics not being Retrievable with SNMP ................. 10

3.4 Recommended Metrics ..................................... 10

4. Polling Frequencies ..............................